  /* 最大屏幕 */
  
  @media (min-width: 1200px) {
      /* 导航部分 */
      nav {
          width: 100%;
          background-color: white;
          border-bottom: 5px solid #68b0ab;
      }
      nav div ul li a {
          margin-right: 95px;
          font-size: 20px;
          font-weight: bold;
          width: 100px;
          height: 30px;
          line-height: 30px;
          text-align: center;
      }
      /* 中间文字 */
      .center p:nth-of-type(1) {
          font-size: 65px;
          /* letter-spacing: -2px;
          line-height: 1.1; */
      }
      .center p:nth-of-type(2) {
          font-size: 25px;
          /* text-align: center; */
          /* letter-spacing: -2px;
          line-height: 1.1; */
      }
      .htmleaf-container {
          /* margin: 75px 0; */
      }
  }